The Serial Killer's Apprentice

• Movies
• 2025-08-17
• EN
• Released
• 0h 0m
• Documentary - Crime

• 8.0
• 3

Storyline

Dr. Katherine Ramsland interviews Elmer Wayne Henley, the sole survivor of the 1973 Houston Mass Murders, to unravel his chilling journey from manipulated teen to convicted killer — and the terrifying truth behind the line between victim and predator.